cleithrum

Fetched 2026-10-26 (cache).

Synonyms: plethrum, cleithral

Antonyms: plethrum, cleithral

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|ichthyology}} A large [[bone]] in [[fish]]es, which extends upward from the base of the [[pectoral]] [[fin]] and anchors to the [[cranium]] above the [[gill]]s, forming the [[posterior]] edge of the gill chamber.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.